What is the molar mass of acetylsalicylic acid (Aspirin)? (HC₉H₇O₄)

The answer for #3 is c but i don't know why

One or more substances changing into one or more substances is an example of a

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers